Commit 0cce5f28 authored by Sreekant Somasekharan's avatar Sreekant Somasekharan Committed by Alex Deucher
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drm/amdkfd: Check correct memory types for is_system variable 



To catch GPU mapping of system memory, TTM_PL_TT and AMDGPU_PL_PREEMPT
must be checked.

Fixes: 628e1ace ("drm/amdkfd: mark GFX12 system and peer GPU memory mappings as MTYPE_NC")
Signed-off-by: default avatarSreekant Somasekharan <sreekant.somasekharan@amd.com>
Reviewed-by: default avatarFelix Kuehling <felix.kuehling@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent b72fa761

drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c

+2 −1
Original line number Diff line number Diff line
@@ -524,7 +524,8 @@ static void gmc_v12_0_get_vm_pte(struct amdgpu_device *adev, 


	bo_adev = amdgpu_ttm_adev(bo->tbo.bdev);

	coherent = bo->flags & AMDGPU_GEM_CREATE_COHERENT;

	is_system = bo->tbo.resource->mem_type == TTM_PL_SYSTEM;

	is_system = (bo->tbo.resource->mem_type == TTM_PL_TT) ||

		(bo->tbo.resource->mem_type == AMDGPU_PL_PREEMPT);



	/* WA for HW bug */

	if (is_system || ((bo_adev != adev) && coherent))